package com.sky.service.impl;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.sky.constant.MessageConstant;
import com.sky.dto.UserLoginDTO;
import com.sky.entity.User;
import com.sky.exception.LoginFailedException;
import com.sky.mapper.UserMapper;
import com.sky.properties.WeChatProperties;
import com.sky.service.Userservice;
import com.sky.utils.HttpClientUtil;
import com.sky.utils.WeChatPayUtil;
import com.sky.vo.UserLoginVO;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.time.LocalDateTime;
import java.util.HashMap;
import java.util.Map;

@Service
@Transactional
public class Userserviceimpl implements Userservice {

    public static final String weixin_url="https://api.weixin.qq.com/sns/jscode2session";
@Autowired
    private WeChatProperties properties;
@Autowired
UserMapper userMapper;
    @Override
    public User login(UserLoginDTO userLoginDTO) {
Map<String,String> map=new HashMap<>();
map.put("appid",properties.getAppid());
map.put("secret",properties.getSecret());
map.put("js_code",userLoginDTO.getCode());
map.put("grant_type","authorization_code");
String json= HttpClientUtil.doGet(weixin_url,map);
        JSONObject js= JSON.parseObject(json);
        String openid=js.getString("openid");
if(openid==null){
    throw new LoginFailedException(MessageConstant.LOGIN_FAILED);

}
User user=userMapper.selectUserByopenid(openid);
if(user==null){
     user=User.builder().openid(openid).createTime(LocalDateTime.now()).build();
    userMapper.insert(user);
}
        return user;
    }
}
